complaint

1[countable]a reason for not being satisfied; a statement that someone makes saying that they are not satisfiedcomplaint (about somebody/something)The most common complaint is about poor service.We received a number of complaints from customers about the lack of parking facilities.I'd like to make a complaint about the noise.complaint (against somebody/something)I believe you have a complaint against one of our nurses.complaint (that…)a complaint that he had been unfairly treateda formal complaint(formal)to file/lodge(= make)a complaint

2[uncountable]the act of complainingI can see no grounds for complaint.a letter of complaint

3[countable]an illness, especially one that is not serious, and often one that affects a particular part of the bodya skin complaint